/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _PLAYER_SAMPLEBUFFER_
#define _PLAYER_SAMPLEBUFFER_

#include <wav/WavStreamReader.h>

namespace iolib {

/*
 * Defines the relevant properties of the audio data being sourced.
 */
    struct AudioProperties {
        int32_t channelCount;
        int32_t sampleRate;
    };

    class SampleBuffer {
    public:
        SampleBuffer() : mNumSamples(0) {};

        ~SampleBuffer() { unloadSampleData(); }

        // Data load/unload
        void loadSampleData(parselib::WavStreamReader *reader);

        void unloadSampleData();

        virtual AudioProperties getProperties() const { return mAudioProperties; }

        float *getSampleData() { return mSampleData; }

        int32_t getNumSampleFrames() { return mNumSamples; }

    protected:
        AudioProperties mAudioProperties;

        float *mSampleData;
        int32_t mNumSamples;
    };

}

#endif //_PLAYER_SAMPLEBUFFER_
